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Lennox HP13-030 Defrost Sensor Board
The defrost sensor board is jobbed with determining when to begin an important defrosting cycle which may be necessary to get rid of the frost that collects on the outdoor unit. The board is influenced by a defrost sensor located in the outdoor unit to ascertain when to initiate the defrosting cycle.
Major symptoms your Lennox defrost sensor board is going to die
- The control board may issue an error signal if the defrost board goes out
- Most systems will not run because of the amount of frost on the outdoor unit
- Unit defrost session does not run even though there is quite a bit frost in the way
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